Multi-User Chat with GPT-4o

Your username: {username}

\n {messages.map((msg, index) => (\n

\n {msg.username}: {msg.content}\n

\n ))}\n

\n );\n}\n\nfunction client() {\n createRoot(document.getElementById(\"root\")).render();\n}\nif (typeof document !== \"undefined\") { client(); }\n\nexport default async function server(request: Request): Promise {\n const { OpenAI } = await import(\"https://esm.town/v/std/openai\");\n const { sqlite } = await import(\"https://esm.town/v/stevekrouse/sqlite\");\n const openai = new OpenAI();\n const SCHEMA_VERSION = 2;\n const KEY = \"multiUserChatwithLLM\";\n\n await sqlite.execute(`\n CREATE TABLE IF NOT EXISTS ${KEY}_messages_${SCHEMA_VERSION} (\n id INTEGER PRIMARY KEY AUTOINCREMENT,\n role TEXT NOT NULL,\n content TEXT NOT NULL,\n username TEXT NOT NULL,\n timestamp DATETIME DEFAULT CURRENT_TIMESTAMP\n )\n `);\n\n await sqlite.execute(`\n CREATE TABLE IF NOT EXISTS ${KEY}_reset_${SCHEMA_VERSION} (\n id INTEGER PRIMARY KEY AUTOINCREMENT,\n token INTEGER NOT NULL,\n timestamp DATETIME DEFAULT CURRENT_TIMESTAMP\n )\n `);\n\n if (request.method === \"GET\" && new URL(request.url).pathname === \"/username\") {\n const username = `User${Math.floor(Math.random() * 10000)}`;\n return new Response(JSON.stringify({ username }), {\n headers: { \"Content-Type\": \"application/json\" },\n });\n }\n\n if (request.method === \"POST\" && new URL(request.url).pathname === \"/send\") {\n const { message, username } = await request.json();\n \n await sqlite.execute(`INSERT INTO ${KEY}_messages_${SCHEMA_VERSION} (role, content, username) VALUES (?, ?, ?)`, [\"user\", message, username]);\n \n // Fetch recent context\n const contextResult = await sqlite.execute(\n `SELECT role, content, username FROM ${KEY}_messages_${SCHEMA_VERSION} \n ORDER BY id DESC LIMIT 10`\n );\n const context = contextResult.rows.reverse();\n\n // Prepare messages for the LLM\n const messages = context.map(msg => ({\n role: msg.role === \"user\" ? \"user\" : \"assistant\",\n content: `${msg.username}: ${msg.content}`\n }));\n messages.push({ role: \"user\", content: `${username}: ${message}` });\n\n const completion = await openai.chat.completions.create({\n messages,\n model: \"gpt-4o-mini\",\n max_tokens: 150,\n });\n\n const aiResponse = completion.choices[0].message.content;\n await sqlite.execute(`INSERT INTO ${KEY}_messages_${SCHEMA_VERSION} (role, content, username) VALUES (?, ?, ?)`, [\"assistant\", aiResponse, \"GPT-4o\"]);\n\n return new Response(JSON.stringify({ success: true }), {\n headers: { \"Content-Type\": \"application/json\" },\n });\n }\n\n if (request.method === \"GET\" && new URL(request.url).pathname === \"/messages\") {\n const result = await sqlite.execute(`SELECT id, role, content, username FROM ${KEY}_messages_${SCHEMA_VERSION} ORDER BY id ASC`);\n return new Response(JSON.stringify(result.rows), {\n headers: { \"Content-Type\": \"application/json\" },\n });\n }\n\n if (request.method === \"GET\" && new URL(request.url).pathname === \"/new-messages\") {\n const url = new URL(request.url);\n const lastId = url.searchParams.get(\"lastId\") || \"0\";\n const result = await sqlite.execute(`SELECT id, role, content, username FROM ${KEY}_messages_${SCHEMA_VERSION} WHERE id > ? ORDER BY id ASC`, [lastId]);\n return new Response(JSON.stringify(result.rows), {\n headers: { \"Content-Type\": \"application/json\" },\n });\n }\n\n if (request.method === \"POST\" && new URL(request.url).pathname === \"/reset\") {\n await sqlite.execute(`DELETE FROM ${KEY}_messages_${SCHEMA_VERSION}`);\n const newToken = Date.now();\n await sqlite.execute(`INSERT INTO ${KEY}_reset_${SCHEMA_VERSION} (token) VALUES (?)`, [newToken]);\n return new Response(JSON.stringify({ success: true }), {\n headers: { \"Content-Type\": \"application/json\" },\n });\n }\n\n if (request.method === \"GET\" && new URL(request.url).pathname === \"/check-reset\") {\n const url = new URL(request.url);\n const clientToken = url.searchParams.get(\"token\") || \"0\";\n const result = await sqlite.execute(`SELECT token FROM ${KEY}_reset_${SCHEMA_VERSION} ORDER BY id DESC LIMIT 1`);\n const latestToken = result.rows[0]?.token || 0;\n const reset = parseInt(clientToken) < latestToken;\n return new Response(JSON.stringify({ reset, token: latestToken }), {\n headers: { \"Content-Type\": \"application/json\" },\n });\n }\n\n return new Response(`\n \n \n Multi-User Chat with GPT-4o\n \n \n \n

\n \n \n \n \n `,\n {\n headers: {\n \"content-type\": \"text/html\",\n },\n });\n}\n\nconst css = `\nbody {\n font-family: Arial, sans-serif;\n margin: 0;\n padding: 0;\n background-color: #f0f0f0;\n}\n.chat-container {\n max-width: 600px;\n margin: 20px auto;\n background-color: white;\n border-radius: 8px;\n box-shadow: 0 2px 10px rgba(0,0,0,0.1);\n padding: 20px;\n display: flex;\n flex-direction: column;\n height: 80vh;\n}\nh1 {\n text-align: center;\n color: #333;\n margin-top: 0;\n}\n.messages-container {\n flex-grow: 1;\n overflow-y: auto;\n border: 1px solid #ddd;\n padding: 10px;\n margin-bottom: 20px;\n}\n.messages {\n display: flex;\n flex-direction: column;\n}\n.message {\n margin-bottom: 10px;\n padding: 5px;\n border-radius: 5px;\n max-width: 80%;\n}\n.message.user {\n background-color: #e6f3ff;\n align-self: flex-end;\n}\n.message.assistant {\n background-color: #f0f0f0;\n align-self: flex-start;\n}\nform {\n display: flex;\n margin-bottom: 10px;\n}\ninput {\n flex-grow: 1;\n padding: 10px;\n font-size: 16px;\n border: 1px solid #ddd;\n border-radius: 4px 0 0 4px;\n}\nbutton {\n padding: 10px 20px;\n font-size: 16px;\n background-color: #007bff;\n color: white;\n border: none;\n border-radius: 0 4px 4px 0;\n cursor: pointer;\n}\nbutton:hover {\n background-color: #0056b3;\n}\n.reset-button {\n width: 100%;\n margin-bottom: 10px;\n border-radius: 4px;\n}\na {\n display: block;\n text-align: center;\n margin-top: 10px;\n color: #007bff;\n text-decoration: none;\n}\na:hover {\n text-decoration: underline;\n}\n`;","deleted","label",[114],"pulls",1,"forks","envVars",{"_136":52,"_138":52},"connections",{"_136":52,"_137":52},"count","unfilledCount","emptyCount",{"_20":113,"_13":114,"_115":47,"_116":-5,"_117":21,"_118":30,"_119":38,"_22":140,"_29":121,"_122":123,"_124":125,"_126":75,"_127":-5,"_141":142,"_89":143},["D",1728055591065],"children",[],[114],["D",1746196078017],{"_11":12,"_87":83},{"_11":12,"_81":-5,"_82":83,"_44":45,"_84":85,"_86":75},{"_29":30,"_13":26,"_20":21,"_27":28,"_31":-5,"_32":-5,"_76":-5,"_77":-5,"_78":-5,"_79":14,"_80":12},"ctx",{"_68":-5,"_109":181,"_182":183,"_184":185,"_186":75,"_187":75,"_188":75,"_189":38,"_190":-5,"_191":-7,"_192":-7,"_193":52,"_194":75,"_195":75,"_196":-5,"_197":75,"_198":75,"_199":75,"_200":-5},"ENV",{"_152":153,"_154":155,"_156":26,"_157":158,"_159":160,"_161":162,"_163":164,"_165":166,"_167":168,"_169":170,"_171":172,"_173":174,"_175":176,"_177":178,"_179":180},"REACT_APP_SENTRY_DSN","https://586020d86f05489db63a554690acf1e9@o1398359.ingest.sentry.io/6724499","RENDER_GIT_COMMIT","e87eb04e707cf64e7e532c8e8ec395f209e17f15","RENDER_GIT_BRANCH","POSTHOG_API_TOKEN","phc_nmoyuAkStEZuUp69rYlg1DZgrIt19Gx0Y4Hwf8tGgJP","POSTHOG_API_HOST","https://wart.val.town","WEB_API_TEMPLATE","https://{val}.web.val.run","APP_URL","https://www.val.town","MODULE_URL","https://esm.town","VANITY_WEB_API_TEMPLATE","https://{label}.val.run/","DENOLS_URL","https://lsp.val.town","NODE_ENV","production","CLOUDFLARE_TURNSTILE_SITE_KEY","0x4AAAAAACtaIZJH7s9rBMZ6","GOOGLE_CLIENT_ID","875989696899-jtsqkhlbdv5jrlsk8631p7ipjg3c6o62.apps.googleusercontent.com","STRIPE_PUBLISHABLE_KEY","pk_live_51N2zvWEpZTTLipIkVEwXrUG9AT0yeOOEYxszarZT1jpsZV58Ly6wlg3SltZpHN26CUalOBmUSY7adQRQiSkCZz2500qSXNkf8Y","API_URL","https://api.val.town",[],"preferencesKeybindings","default","preferencesTheme","light","preferencesFixers","preferencesCopilot","preferencesSelectionAi","preferencesCloseBrackets","preferencesChatPanelState","preferencesDprint","preferencesDenofmt","notificationCount","flagDenols","isBusinessOrgMember","businessOrgHandle","isBusinessOrgAdmin","isHigherTownieTier","navCollapsed","currentOrgId"]

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